Home / 1,107,785.84-1,661,678.77-266,337.59

Finding the Fourth Proportional to 1,107,785.84, 1,661,678.77 and 266,337.59

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Solution

The fourth proportional to 1,107,785.84, 1,661,678.77 and 266,337.59 is: 399,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,785.84 : 1,661,678.77 = 266,337.59 : x
  2. Step 2: Convert to fraction form
    1,107,785.84/1,661,678.77 = 266,337.59/x
  3. Step 3: Cross multiply
    1,107,785.84x = 1,661,678.77 × 266,337.59
  4. Step 4: Simplify right side
    1,107,785.84x = 442,567,518,955.96
  5. Step 5: Solve for x
    x = 442,567,518,955.96/1,107,785.84
  6. Step 6: Final answer
    x = 399,506.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.